Label	Element	Value
ACMI Services [Member]
Incentive To Lessee, Amortization	atsg_IncentiveToLesseeAmortization	$ (3,200,000)
Incentive To Lessee, Amortization	atsg_IncentiveToLesseeAmortization	(3,100,000)
Incentive To Lessee, Amortization	atsg_IncentiveToLesseeAmortization	(3,100,000)
CAM [Member]
Incentive To Lessee, Amortization	atsg_IncentiveToLesseeAmortization	(15,400,000)
Incentive To Lessee, Amortization	atsg_IncentiveToLesseeAmortization	(20,100,000)
Incentive To Lessee, Amortization	atsg_IncentiveToLesseeAmortization	$ (20,000,000)